/**
 * @author Gustavo F. Carvalho
 */

function calculaSaldoFinal(cpfFuncionario){
	cpfFuncionario += '';
   if(cpfFuncionario.length == 10){		
 	cpfFuncionario = '0' + cpfFuncionario;
 	}
	var saldoInicial = document.getElementById("saldoInicial"+cpfFuncionario).value;
	var valor = document.getElementById("valor"+cpfFuncionario).value;
	var saldoNegativo = document.getElementById("saldoNegativo"+cpfFuncionario).value;
	var deposito = document.getElementById("deposito"+cpfFuncionario).value;
	var desconto = document.getElementById("desconto"+cpfFuncionario).value;
	var saldoFinal = 0;
	
	saldoFinal = saldoInicial*1 + valor*1 + saldoNegativo*1 - deposito*1 - desconto*1;
	document.getElementById("saldoFinal"+cpfFuncionario).value = FormatNumber(saldoFinal,2,true,false,false);
}

function FormatNumber(num,decimalNum,bolLeadingZero,bolParens,bolCommas)
/**********************************************************************
	IN:
		NUM - the number to format
		decimalNum - the number of decimal places to format the number to
		bolLeadingZero - true / false - display a leading zero for
										numbers between -1 and 1
		bolParens - true / false - use parenthesis around negative numbers
		bolCommas - put commas as number separators.
 
	RETVAL:
		The formatted number!
 **********************************************************************/
{ 
    if (isNaN(parseInt(num))) return "NaN";

	var tmpNum = num;
	var iSign = num < 0 ? -1 : 1;		// Get sign of number
	
	// Adjust number so only the specified number of numbers after
	// the decimal point are shown.
	tmpNum *= Math.pow(10,decimalNum);
	tmpNum = Math.round(Math.abs(tmpNum))
	tmpNum /= Math.pow(10,decimalNum);
	tmpNum *= iSign;					// Readjust for sign
	
	
	// Create a string object to do our formatting on
	var tmpNumStr = new String(tmpNum);

	// See if we need to strip out the leading zero or not.
	if (!bolLeadingZero && num < 1 && num > -1 && num != 0)
		if (num > 0)
			tmpNumStr = tmpNumStr.substring(1,tmpNumStr.length);
		else
			tmpNumStr = "-" + tmpNumStr.substring(2,tmpNumStr.length);
		
	// See if we need to put in the commas
	if (bolCommas && (num >= 1000 || num <= -1000)) {
		var iStart = tmpNumStr.indexOf(".");
		if (iStart < 0)
			iStart = tmpNumStr.length;

		iStart -= 3;
		while (iStart >= 1) {
			//tmpNumStr = tmpNumStr.substring(0,iStart) + "," + tmpNumStr.substring(iStart,tmpNumStr.length)
			tmpNumStr = tmpNumStr.substring(0,iStart)+tmpNumStr.substring(iStart,tmpNumStr.length)
			iStart -= 3;
		}		
	}

	// See if we need to use parenthesis
	if (bolParens && num < 0)
		tmpNumStr = "(" + tmpNumStr.substring(1,tmpNumStr.length) + ")";

	return tmpNumStr;		// Return our formatted string!
}